Management of Angiomatous Antrochoanal Polyp: Our Experience
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ORIGINAL ARTICLE
Management of Angiomatous Antrochoanal Polyp: Our Experience V. U. Jagadeeswaran1 • Srujan Vallur2 • Jha Shyamal Shivanand3
Received: 4 August 2020 / Accepted: 14 September 2020 Ó Association of Otolaryngologists of India 2020
Abstract Antrochoanal polyps are the most common type of choanal polyp. Angiomatous polyp is a rare subtype of Antrochoanal polyp that might be misdiagnosed as malignant lesion due to its clinical features. A retrospective observational study was conducted in a tertiary care hospital in patients who were diagnosed with Angiomatous Antrochonal polyp that underwent functional endoscopic sinus surgery from 2017 to 2020. We analyzed the clinical symptoms, radiological findings, and pathological features of all patients diagnosed with Angiomatous Antrochonal polyp. Unilateral nasal obstruction, rhinorrhea, and epistaxis were the common symptoms. Antrochoanal polyps all originated from maxillary sinus and extended to nasal cavity with or without involving the nasopharynx. Expansile mass with surrounding bony destruction are typical on computed tomography imaging but specific for Angiomatous Antrochoanal polyp. The magnetic resonance revealed high signal intensity on T1-weighted images and hypointense rim on T2-weighted images. Computed tomography and magnetic resonance together might give rise to more accurate diagnosis of Angiomatous Antrochoanal polyp. Incisional biopsy does help if the clinician suspects a malignant lesion. Complete removal is treatment of choice for Angiomatous Antrochoanal polyp. Keywords Antrochoanal polyp Angiomatous polyp Functional endoscopic sinus surgery & Srujan Vallur [email protected] 1
Department of ENT, 7 Air Force Hospital, Kanpur, India
2
Department of ENT, 12 Air Force Hospital, Akash Vihar, Kunraghat, Gorakhpur 273002, India
3
Department of ENT, 5 Air Force Hospital, Jorhat, India
Introduction Angiomatous polyp, a rare subtype of Antrochoanal polyp, is a benign and non-neoplastic lesion [1]. It is also known as angiectatic polyp and is characterized by extensive vascular proliferation and angiectasis with regions that are susceptible to vascular compromise, resulting in venous stasis, thrombosis, and infarction [2]. Its clinical and radiological features may simulate those of neoplastic lesions such as juvenile angiofibroma, inverted papilloma, hemangioma, and even malignant sinonasal tumor [3]. However, Angiomatous polyp can be treated with conservative surgical excision and recurrence is rare. Several studies discussed the findings of Angiomatous polyps on computed tomography (CT) and magnetic resonance (MR) imaging [4, 5] but there are scant reports describing the clinical features of the disease. In this study, we present a clinicopathological and radiological study of 08 patients with pathologically proven Angiomatous polyp.
Materials and Methods A retrospective observational study was conducted in a tertiary care hospital, from 2017 to 2020. A total of 30 patients with Antrochoanal polyp were diagnosed and surgically excis
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